242953851590 has 16 divisors (see below), whose sum is σ = 442852591680. Its totient is φ = 95951394240.

The previous prime is 242953851583. The next prime is 242953851593. The reversal of 242953851590 is 95158359242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242953851593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153767471 + ... + 153769050.

It is an arithmetic number, because the mean of its divisors is an integer number (27678286980).

Almost surely, 2^242953851590 is an apocalyptic number.

242953851590 is a deficient number, since it is larger than the sum of its proper divisors (199898740090).

242953851590 is a wasteful number, since it uses less digits than its factorization.

242953851590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307536607.

The product of its (nonzero) digits is 3888000, while the sum is 53.

The spelling of 242953851590 in words is "two hundred forty-two billion, nine hundred fifty-three million, eight hundred fifty-one thousand, five hundred ninety".